Not only is it fun to say*, it's a development methodology. We are giving it a try on one of our projects, and I am the writer on that project, so I hope I will have many thoughts on how it all works. To get started, some basics.
Excellent and Consistent Content Development through Agile and Scrum
Wikipedia on Scrum
* I suspect that a lot of the terminology in agile stuff was thought up late at night.